42 



Rhinopora prima ^ Ecculiotnphalus compressus., 



Protorthis cassinensis, Maclurea affinis^ 



Protorthis minima^ Nautilus perkinsi^ 



Afurchisonia cassina, Harpes cassiitensis, 



Bucania champlainensis^ JVilejts striatus^ 

 Straparollina minima^ BatJiyii7'iis perkinsi. 



These specimens were collected by Prof. H. M. Seely, 

 of Middlebury College, Vt., and Prof. G. H. Perkins, of 

 University of Vermont, in 1S95 and 1896. 



b. From beds of the horizon of the Lower Helderberg 

 group, Waubeka, near Milwaukee, Wisconsin. De- 

 scribed by R. P. Whitfield, in Bui. A. M. N. H., Vol. 

 VIII., pp. 299-304, pi. XII-XIV. 



Crustacea belonging to the order Phyllocarida : En- 

 tomocaris telleri^ Ceratiocaris tno7iroei^ C. podurifor- 

 7nis. 



These fossils were collected by Messrs. C. E. Monroe 

 and E. E. Teller, of Milwaukee, in 1S95 and 1896. 



c. From Cretaceous strata on the island of Jamaica. W. I. 

 Collected by Mr. F. C. Nicholas, and described by R. P. 

 Whitfield in Bui. A. M. N. H., Vol. IX. (in press). 



Radiolites ( L,apeiro?isia) nicholasi ; R. I'udis^ ad- 

 hcerens^ cancellatus^ macroplicatus^ annulosus ; Cap- 

 rina Janiaic<^nsis ; CaprineUa occidentalism qicadi'an- 

 gularis ; Caprinula gigaiitea ; Ba^'rettia inonilifera^ 

 B. sp. nov. 



Other fossils from the same beds are introduced to 

 show the associations of animal life in the Cretaceous of 

 Jamaica. All the Jamaica fossils exhibited were col- 

 lected by Mr. Nicholas in 1896. 



EURYPTERUS GIGANTEUS GrOTE AND PiTT, FROM THE 



Waterlime at Buffalo, N. Y. 



Exhibited by Prof. J. J. Stevenson, New York Uni- 

 versity. 



Eurypterus^ a genus allied to the modern Horse- 

 shoe crab, attained a considerable development in point 



